// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab

#ifndef CEPH_LIBRBD_IO_DISPATCHER_INTERFACE_H
#define CEPH_LIBRBD_IO_DISPATCHER_INTERFACE_H

#include "include/int_types.h"

struct Context;

namespace librbd
{
    namespace io
    {

        template <typename DispatchT>
        struct DispatcherInterface
        {
        public:
            typedef DispatchT Dispatch;
            typedef typename DispatchT::DispatchLayer DispatchLayer;
            typedef typename DispatchT::DispatchSpec DispatchSpec;

            virtual ~DispatcherInterface()
            {
            }

            virtual void shut_down(Context *on_finish) = 0;

            virtual void register_dispatch(Dispatch *dispatch) = 0;
            virtual bool exists(DispatchLayer dispatch_layer) = 0;
            virtual void shut_down_dispatch(DispatchLayer dispatch_layer,
                                            Context *on_finish) = 0;

            virtual void send(DispatchSpec *dispatch_spec) = 0;
        };

    } // namespace io
} // namespace librbd

#endif // CEPH_LIBRBD_IO_DISPATCHER_INTERFACE_H
